518 294-. Libanotis. 45. UMBELLIFERiE, PL ex. cal. 
Libanotis montana. Mountain stone-parsley. 
Leaves bipinnate, bald; leaflets pinnatifid, flat; lobes 
ovate, pointed. 
Apium petraeum seu montanum album, Rail Syn. 218, 1. 
Athamanta Libanotis, Lin. S. P. 351. 
Athamanta Oreoselimun, Hudson FI. Angl. 115. 
Libanotis Cretensis, Gcertner Fr. et Sem. 1, 84. 
High chalky pastures ; perennial ; August. 
Root fusiform, woody, acrid, bitterish ; stem 2 feet high, 
very deeply furrowed, rather branchy, bald ; leaves paler 
underneath ; umhells hemispherical ; teeth of the calyx very 
long, lanceolate, serrate on the edge. 
XXX. 295. THY SSELINIJM. Pliny. Milky-parsley. 
Involucrum and involucella many-leaved, reflected ; flowers 
all equal ; calyx 5-toothed ; petals nearly equal, reverse 
heartshape, patulous; lacinule linear, channelled, blunt, 
nicked ; fruit ovate, roundish, rather compressed, crowned; 
akenium ovate, compressed, margined, 5-ribbed ; endocarp 
membranaceous, 6-vittated; commissural vittce distant from 
the margin ; spermapodium bristlelike, 2-cut. 
Thysselinum palustre. Marsh milky-parsley , 
Stem streaked ; leaves bipinnate or tripinnate, bald ; leaf- 
lets opposite, pinnatifid ; lobes linear, lanceolate ; rays of 
the umbells downy ; styles divaricating ; fruit ovate. 
Selinum palustre, Lin. S. P. 350. 
Selinum sylvestre, Jacquin Austr. 
Selinum Tysselinum, Crantz Austr. 170. 
Peucedanum palustre, Mcench Meth. 82. 
Bogs; perennial; July. 
Root nearly simple; stem single, 4 feet high, branchy at 
top ; umbells flat ; fruit ovate, rather roundish, reddish 
brown; herb lactescent; juice white, clammy, bitter, foetid. 
XXXI. 296. IMPERATORIA. Matthiolus. Master wort. 
Involucrum 0; involucella few-leaved, bristlelike; calyx 0; 
petals elliptical, nicked, equal; lacinule long, acute, in- 
flected ; fruit elliptical, compressed, crowned ; akenium el- 
liptical, compressed, margined; margfn winged, 2-cut at 
the top and bottom, 3-ribbed; ribs sharp, not winged; 
commissural vilta single, bowed, acute. — Umbells com- 
pressed, flat. 
